Novel applications of the “t-amino effect” in heterocyclic chemistry; synthesis of 5H-pyrrolo- and 1H,6H-pyrido[1,2-a][3,1]benzoxazines

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Abstract

Trifluoroacetylated N,N-dialkylanilines react in refluxing 1-butanol to benzoxazine derivatives via an intramolecular] [1, 5] hydrogen shift and subsequent cyclization of the dipolar intermediate.
Original languageUndefined
Pages (from-to)3923-3926
JournalTetrahedron letters
Volume24
Issue number36
DOIs
Publication statusPublished - 1983

Keywords

  • IR-69216

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